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Update MySQL高性能优化规范建议.md
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Snailclimb authored Apr 6, 2019
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作者: 听风,原文地址: <https://www.cnblogs.com/huchong/p/10219318.html>我已于原作者联系获得授权
作者: 听风,原文地址: <https://www.cnblogs.com/huchong/p/10219318.html>JavaGuide已获得作者授权

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### 4. 对于程序连接数据库账号,遵循权限最小原则

- 程序使用数据库账号只能在一个DB下使用,不准跨库
- 程序使用的账号原则上不准有drop权限
- 程序使用的账号原则上不准有drop权限

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